ENLARGE Companies pioneering the use of so-called serverless computing include IBM, Google and Amazon.com Inc.’s Amazon Web Services, which has been offering serverless computing services with AWS Lambda since late 2014. Photo: Agence France-Presse/Getty Images By Sara Castellanos Oct. 26, 2016 3:21 p.m. ET 1 COMMENTS Corporate IT executives see promise in an emerging technology in which the physical and virtual servers that are traditionally used to run applications becomes invisible to the developers building the apps. It’s called serverless computing, and according to General Electric Corp. GE 0.77 % ’s chief technology officer, it’s what the “cool kids” are thinking about. GE CTO Chris Drumgoole predicts widespread adoption of the technology could be seen between 2019 and 2026, but analysts caution that it’s part of the continuing shift to…